20665557

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4093}}^1$

素因数の和:4130

約数の個数: 32

約数和(自身を含む): 35372160

約数和(自身を除く): 14706603

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4093, 5049, 12279, 36837, 45023, 69581, 110511, 135069, 208743, 405207, 626229, 765391, 1215621, 1878687, 2296173, 6888519, 20665557]

約数ペア:

[(1, 20665557), (3, 6888519), (9, 2296173), (11, 1878687), (17, 1215621), (27, 765391), (33, 626229), (51, 405207), (99, 208743), (153, 135069), (187, 110511), (297, 69581), (459, 45023), (561, 36837), (1683, 12279), (4093, 5049)]